Cell Research the salt mine expands FREE Liliana E Lucca 1 and David A Hafler 1 1 Department of Neurology and Immunobiology Yale School of Medicine New Haven CT 06511 USA Correspondence David Hafler E mail david hafler yale edu High sodium consumption has been raising interest as a putative environmental factor linking Western lifestyle to the growing epidemic of autoimmune and inflammatory diseases Now Zhang and colleagues show that high sodium